The popularity of TED-branded video lectures has skyrocketed in recent years. The Northern Illinois University chapter, known as TEDxNIU, will hold its own event this Saturday, featuring a variety of speeches. "Pushing Limits"’ will be this year’s theme.
NIU student Madeline Alger is co-director of the TEDx chapter. She explains that TED is a global nonprofit organization whose goal is to spread ideas across the world.